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Glucose in Dialysate Fluid (24-hour collection)

Published: August 9, 2026Updated: August 16, 2026

This test measures the amount of glucose (sugar) found in your dialysate fluid over a 24-hour period during dialysis treatment.

Quick summary

["Understanding your glucose levels in dialysis fluid helps monitor how well your body is managing blood sugar during treatment."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
15075-5
Short code
Glucose Dial fld-sCnc
Synonyms
Glucose Dial fld-sCnc
Category
glucose
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Ref low
70
Ref high
100
Critical range
50 N/A – 400 N/A
Fasting
true
Population
adult
Sex
all
Age range
18–65 years
CPT
82947
SNOMED
260395008
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

Why This Test Matters in Dialysis

Dialysis patients rely on their kidneys to filter waste and excess fluids from the blood. Glucose is a key nutrient that must be carefully balanced, especially for those with diabetes or metabolic conditions. Measuring glucose in the dialysate fluid helps healthcare providers assess how well your body is processing glucose during dialysis sessions, ensuring you receive the right balance of nutrients and avoiding complications like hypoglycemia or hyperglycemia.

What to Expect Before the Test

You’ll typically collect a 24-hour sample of your dialysate fluid (the fluid removed from your blood during dialysis) in a container provided by your healthcare team. This sample is sent to a lab for analysis. No special preparation is needed beyond following your usual dialysis routine.

What the Results Mean

Glucose levels in dialysate fluid can vary based on your diet, diabetes management, and dialysis settings. High levels may indicate poor glucose control or issues with your dialysis machine settings, while very low levels could signal inadequate glucose delivery or metabolic disturbances. Your healthcare provider will interpret these results in the context of your overall health and treatment plan.

Common Causes of Abnormal Results

Abnormally high glucose in dialysate fluid might be due to uncontrolled diabetes, improper dialysis settings, or dietary factors. Low levels could result from underfeeding during dialysis or metabolic imbalances. Always discuss any concerns with your dialysis team, as they can adjust your treatment plan accordingly.

Reference range

Fasting: 70-100 mg/dLN/A

Specimen: serum

Fasting for 8-12 hours required. Water is permitted. Avoid chewing gum and smoking before the test.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

This test is primarily used to evaluate glucose metabolism during dialysis, helping to prevent complications like blood sugar swings, nutrient deficiencies, or metabolic acidosis. It’s especially important for patients with diabetes or those on long-term dialysis to ensure their treatment supports stable blood sugar levels and overall health.

Short name

None

Frequently asked questions

What does a 'normal' glucose level in dialysate fluid mean for me?
There’s no single ‘normal’ range for glucose in dialysate fluid because it depends on your specific dialysis settings, diet, and health status. Your healthcare provider will use these results alongside other lab tests and clinical factors to guide your treatment. If your levels are consistently high or low, your team may adjust your dialysis fluid composition or frequency.
Can diet affect my glucose levels in dialysate fluid?
Yes, your diet plays a role. Foods high in carbohydrates can increase glucose levels in your blood and, consequently, in the dialysate fluid. Your dialysis team may recommend monitoring your carbohydrate intake to help stabilize these levels during treatment.
Will this test change how I need to adjust my diabetes medications?
Possibly. If your glucose levels in dialysate fluid are abnormal, your healthcare provider may adjust your diabetes medications, dialysis fluid composition, or frequency of dialysis sessions to better manage your blood sugar. Always follow their guidance closely and communicate any side effects or concerns.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy